/* KubeAI Agent Assurance - base styles.
   System font stack only; no third-party font CDNs (per spec section 5). */
:root {
  --color-text: #1a1a1a;
  --color-bg: #ffffff;
  --color-muted: #444444;
  --color-border: #d0d0d0;
  --color-link: #0b4fa0;
  --max-width: 46rem;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
header, main, footer {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1rem;
}
header {
  padding-top: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--color-border);
}
header nav a { margin-right: 1rem; }
main { padding-top: 1.5rem; padding-bottom: 3rem; }
footer {
  padding-top: 1rem;
  padding-bottom: 2rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.9rem;
}
a { color: var(--color-link); }
h1 { font-size: 1.75rem; line-height: 1.25; }
h2 { font-size: 1.25rem; }
.muted { color: var(--color-muted); }